Precalculus Quiz Review 4.1-4.4

What is  $270\degree$  in radians?

• $\frac{\pi}{4}$

• $\frac{3\pi}{2}$

• $\frac{3\pi}{4}$

• $\frac{\pi}{2}$

Tags

CCSS.HSF.TF.A.2

What is $\frac{7\pi}{4}$ in degrees?

•  $300\degree$  

•  $135\degree$  

•  $315\degree$  

•  $45\degree$  

Tags

CCSS.HSF.TF.A.2

Find a coterminal angle to 45 degrees.

• 360
• 405
• 315
• 295

Find a coterminal angle to -180 degrees.

• 180
• 90
• 270
• 360

What are the negative and positive coterminal angles of -225 degrees?

• 375°, -600°
• 125°, -356°
• 135°, -585°
• 60°, -120°

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

Which of the following angles are co-terminal to  $-\frac{\pi}{2}$  ?

•  $\frac{3\pi}{2}$  ,  $\frac{-5\pi}{2}$  

•  $\frac{\pi}{2}$  ,  $\frac{-3\pi}{2}$  

•  $\frac{5\pi}{2}$  ,  $\frac{-\pi}{2}$  

•  $\frac{5\pi}{2}$  ,  $-\frac{7\pi}{2}$  

Tags

CCSS.HSF.TF.A.2

Which of the following angles are co-terminal to  $\frac{5\pi}{6}$  ?

•  $\frac{17\pi}{6}$  ,  $\frac{-7\pi}{6}$  

•  $-\frac{\pi}{6}$  ,  $\frac{11\pi}{6}$  

•  $\frac{23\pi}{6}$  ,  $\frac{-13\pi}{6}$  

•  $\frac{-5\pi}{6}$  ,  $\frac{7\pi}{6}$  

Tags

CCSS.HSF.TF.A.2

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

Tags

CCSS.HSF.TF.A.2